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A121078
Nonisomorphic catacondensed monoheptahelicenes (see reference for precise definition).
0
3, 35, 294, 2099
OFFSET
5,1
REFERENCES
B. N. Cyvin et al., A class of polygonal systems representing polycyclic conjugated hydrocarbons ..., Monat. f. Chemie, 125 (1994), 1327-1337.
CROSSREFS
Sequence in context: A202883 A069448 A339516 * A289950 A308033 A198961
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 11 2006
STATUS
approved